Blue (Da Ba Dee) is the title of the debut single of the Italian Eurodance band Eiffel 65, extracted from the first album "Europop".The single released in 1998 topped the charts of 17 countries and reached the #6 of the American Billboard chart becoming a worldwide hit. It's included in Marvel's "Iron Man 3". in theaters May 3, 2013.

November 2016, the video reaches 100.000.000 views on YouTube. THX!

From March 2017 it is featured in the "Smurfs: The Lost Village" soundtrack!